A solid pharmaceutical composition for release of a biologically active substance into a desired aqueous environment, containing a core and an outer layer, said core comprising between 17 and 93% by weight of the biologically active substance, between 0.01 and 7% by weight of a water swellable polym ...

The invention provides an article for grooming an animal and comprising a grooming article of plastics material, the plastics material containing, over at least a portion thereof, at least one insecticide capable of blooming from the article onto the animal when the article is used. The article may ...

A pour-on formulation for localized external application to dogs includes an effective amount of a non-systemic insecticide which is tolerated by dogs and which is effective against fleas and/or ticks. It also includes a C.sub.1 -C.sub.4 alcohol as carrier for the insecticide. The formulation contai ...

The invention provides an article for grooming an animal and comprising a grooming article of plastics material, the plastics material containing, over at least a portion thereof, at least one insecticide capable of blooming from the article onto the animal when the article is used. The article may ...

A bolus for releasing a biologically active substance into a liquid environment according to this invention comprising an elongate core, at least one end of which is frustoconical and a liquid impervious casing at one end and open at the other disposed about the core, the bolus being so constructed ...